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Q. If m men can do a work in r days, then the number of days taken by (m + n) men to do it is :
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Q. The average of 7 consecutive numbers is 20. The largest of these numbers is
Q. If √x-9 = 4 . Find the value of x? (X-9 is under root)
Q. The ratio of two numbers is 4 : 5 and their H.C.F. is 8. Then their L.C.M is
Q. A money-lender finds that due to a fall in the annual rate of interest 8% to 7¾% his yearly i...
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